This site contain very good resources in English for the meditation practice.
Many books and Mp3 about various Thai forest Ajahn such as
Ven. Ajahn Mun (Ajahn Chah's teacher) , "A Spiritual Biography" and etc.
Ven. Ajahn Khao Analayo, "A True Spiritual Warrior"
by Ven. Ajahn Maha Boowa(Ajahn Mun's follower),

and MP3 from Ajahn Panya, English Monk who live in Thailand more than 40 years.